SMD1814  Characteristic特性

Sym

Min

Type

Max

Units

1

中心頻率Center Frequency

標稱頻率Absolute Frequency

fc

315.000～ 868.500

MHz

公差Tolerance from 433.920 MHz

?fc

±50  ±75  ±100

KHz

2

插入損耗Insertion Loss

IL

1.8  2.2  2.5

dB

3

質量指標Quality Factor

無負載質量因素Unloaded Q

Qu

-

7340

-

-

負載q值 50Ω Loaded Q

QL

-

1650

-

-

4

溫度穩定性Temperature Stability

交叉頻率Turnover Frequency

fo

-

fc

-

KHz

頻率溫度系數Frequency Temperature Coefficient

FTC

-

0.032

-

ppm/℃²

5

老化率Frequency Aging

年的值Absolute Value during the First Year

∣fA∣

-

≤10

-

ppm/yr

6

直流絕緣電阻 DC Insulation Resistance between any Two Pins

-

1.0

-

-

MΩ

7

射頻等效RLC模型 RF Equivalent RLC Model

動態電阻Motional Resistance

Rm

-

29

35

Ω

動態電感Motional Inductance

Lm

-

78.1096

-

μH

動態電容Motional Capacitance

Cm

-

1.7241

-

fF